[ Support Center ]

Get help setting up and using Defndr

Quick Setup Guide

1

Settings → Messages

Navigate to the Messages section in your iPhone's Settings app.

2

Unknown & Spam

Find and tap on the message filtering options.

3

Enable Defndr

Turn on 'Filter Unknown Senders' and select Defndr.

📧

Email Support

Get personalized help from our support team

Contact Support
📱

In-App Tutorial

Interactive setup guide within the app

Open App

Frequently Asked Questions

How does Defndr work?

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Why isn't Defndr working?

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Does Defndr read my messages?

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Can I customize the filtering?

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What about legitimate messages?

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Troubleshooting

🔧 Common Issues

  • • Restart your iPhone after setup
  • • Check iOS version (requires iOS 14+)
  • • Ensure "Filter Unknown Senders" is ON
  • • Verify Defndr is selected as filter

⚡ Performance Tips

  • • Keep Defndr app updated
  • • Allow background app refresh
  • • Review filter settings regularly
  • • Clear junk folder periodically